Closest Campground to Grand Rapids. From Grand Rapids, go North 1 mile on US-131 to Comstock Park Exit (No. 91), then 4 miles East (left) ... on West River Dr. The entrance will be on the right. From I-96 at M-44 Exit (No. 38) go 6-1/2 miles North until you reach West River Dr. Follow the signs through the traffic circle, then go 3/4 miles West ... on West River Dr. The entrance will be on the left.